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Developing guidance on leading pedestrian intervals and curb extensions to improve pedestrian safety at signalized intersections

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LPI Suitability Assessment tool template Developing guidance on leading pedestrian intervals and curb extensions to improve pedestrian safety at signalized intersections

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Link to DownloadDownload SpreadsheetTitleLPI Suitability Assessment tool template Developing guidance on leading pedestrian intervals and curb extensions to improve pedestrian safety at signalized intersectionsPersonal NameHurwitz, David S. 1982-Jashami, HishamRangel, Elsa A. MorenoMonsere, Christopher MichaelKothuri, SirishaSemensky, SophiaCorporate NameOregon Department of Transportation Research SectionUnited States Federal Highway AdministrationOregon State UniversityPortland State UniversitySubjectPedestrian crosswalks -- Oregon -- Safety measuresCurb ramps -- OregonGenreTechnical reportsDate2026CollectionTransportation Last edited by: Angie Jannelli

LanguageengPublisherOregon Department of Transportation, Research SectionPlace of PublicationSalem, ORFormonline resourceExtent1 online resource (4 volumes)Type of ResourcetextIssuancemonographicSummaryImproving pedestrian safety continues to be critically important to ODOT's mission to provide a safe and reliable multimodal transportation system. This research provides ODOT with refined tools to improve pedestrian safety at signalized intersections by developing enhanced guidance on when and where to implement Leading Pedestrian Intervals (LPI) either solely or in conjunction with complementary treatments such as Curb Extensions (CE). The guidance was informed by four major tasks: a literature review, a conflict-based field study, a driving simulator study, and development of an LPI suitability assessment tool. This research found that CEs decrease vehicle turning speed and shift conflicts from high/medium to low severity. For conflicts involving speed, both CEs & LPIs reduced conflicts, with the addition of the CE providing additional conflict reduction. The findings from this research support ODOT's Strategic Action Plan as well as ODOT design and practice documentsTable of ContentsFinal report -- Appendices -- LPI Suitability Assessment tool example -- LPI Suitability Assessment tool templateNoteby David S. Hurwitz, Ph.D., Professor, Hisham Jashami, Ph.D., RSP1, Assistant Professor (Sr Res), Elsa A. Moreno Rangel, Graduate Research Assistant (Oregon State University), Christopher M. Monsere, Ph.D., P.E., Professor, Sirisha Kothuri, Ph.D., Senior Research Associate, Sophia Semensky, Graduate Research Assistant (Portland State University) ; for Oregon Department of Transportation, Research Section and Federal Highway Administration"FHWA-OR-RD-27-06"--Technical report documentation page"SPR 877."Includes bibliographical referencesFinal reportSponsored by Oregon Dept. of Transportation, Research Section, Federal Highway AdminText in English

LPI Suitability Assessment tool template Developing guidance on leading pedestrian intervals and curb extensions to improve pedestrian safety at signalized intersections

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Library ClassificationTOCLC Number1612942086Restrictions on Accesshttp://rightsstatements.org/vocab/CNE/1.0/Publication SetDeveloping guidance on leading pedestrian intervals and curb extensions to improve pedestrian safety at signalized intersections

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